blister is incorrectly written, and should be written as "Blister" being its meaning:
Anglicism derived from blister pack ( 41 blisters package;: embase rigid transparent plastic with blisters in a side that shows product ( pills, drugs, toys, rubber hair or delete, bits, hardware or computing tools... ). Across this covered with a thin layer of aluminum to extract the product by pressing the plastic blister. Product is protected in this way, and facilitates its distribution and sale.
